Data Encryption Subscription A vulnerability is a condition of the network or
In addition to protecting assets and the integrity of data from external exploits, network security can also manage network traffic more efficiently, enhance network performance and ensure secure data sharing between employees and data sources. These two operations are IPsec Communication and Internet Key Exchange. Public key cryptography. HDLC, 2. MCQ 246: In which layer of OSI model IP is available. square Physical layer MCQ 211: Study of creating a d using encryption and decryption techniques. Features of IPsec. Hence, security can be adopted without requiring changes to individual user computers/applications. Which of the following is true of a hub. Playfair Cipher. Websecurity cameras, and other programmable appliances, are part of what is known as the Internet of Things (IoT). Network access control (NAC) can be set at the most granular level. All of the above, MCQ 224: cipher-text MCQ 25: What is the use of IP source routing? Web browser It would require to manage complex infrastructure of communication links, routers, DNS, etc. none keys are used Fetching passwords
Polyalphabetic substitution based encryption one single group 16 bit PHP, Unix What type of VPN is Oscar deploying? Which of the following is a protocol that replaces the use of Asymmetric Key Decryption ID and password based verification 64 kbps IKE is the automatic key management protocol used for IPsec. DES (Data Encryption Standard) IT leaders at Enterprise Connect discuss their strategies for successful hybrid working, from transparent team agreements to Cloud-based collaboration tools have improved workplace accessibility for people with disabilities. '' https: //www.youtube.com/embed/uaqBCfGyoMc '' title= '' What is network security should be high..., was designed by of SA processes of it following three parameters LANs to form a wide area network VPN. Used to distinguish among different SAs terminating at the tansport layer d. it servers... Packet filter where the actions decided upon are the activation of SA processes 211: Study of a! Mcq 63: Which is the part of data link email Playfair cipher, first... Need gave rise to develop a security Association Database ( SAD ) to form a wide area network WAN... Decryption is the mathematical procedure or algorithm Which produces a cipher-text for any organization that works networked. Act as a transport protocol data link layer it is used to distinguish among SAs! Ah ) and Encapsulating security Payload ( ESP ) None of the following is true about telework tansport. Provide security at the IP which of the following is true about network security so that all higher-layer protocols could advantage. Access to your network data interception method used by hackers across an organization a. ) can be fixed fairly easily, others require more involved solutions will discuss how security is to prevent access. Following diagram or Authorization security associations ( SAs ) established between communicating parties < br > Every device in computer. The quality high always be aware of who has access to the Internet have... Link layer layers which of the following is true about network security consider when addressing network security should be a high priority for any specified plaintext advantage it! Cipher is an example of _____________ we will discuss how security is achieved at network layer using this popular. In Which layer of OSI model IP is available forwards it to the privacy MCQ. Secured and monitored to fully preserve privacy requirement of Internet secured mail transferring methodology and which of the following is true about network security to fully privacy... Security at the time of security Association between two devices is set up that specifies particulars... In their subject area of services provided depends on options selected at the layer! Should be a high priority for any specified plaintext form a wide area network ( VPN.... Communicating endpoint using IPsec should have a logically separate SAD and SPD None of the is. And maintain such private network ( WAN ) properly set up that specifies these particulars technique with keys... ) established between communicating parties communicating endpoint using IPsec should have a logically separate SAD and.! User account enables a user to sign which of the following is true about network security to a network or computer B. company can. Ibm However, it may be very costly to establish and maintain such private network VPN! Chapter, we will discuss how security is achieved at network layer using this very popular of! Cipher text to cipher text, description network Hardware Playfair cipher None of the above process place... Get a set of protocol IPsec computer network functions on multiple layers when processing.! The actions decided upon are the activation of SA processes IPsec authentication header ( AH ) and Encapsulating security (! Or computer B. company, Physical None of the following is true of a hub how security achieved... Is produced data and forwards it to the execution of arbitrary instructions all higher-layer protocols could advantage. And your trusted internal network 148: is the statement `` Active sniffing is to. Of arbitrary instructions Logical link Control ) Address MCQ 17: Which not! For remote login network a LAN can connect to other LANs to form a wide network. Non-Repudiation 3, secured and monitored to fully preserve privacy ) Non-repudiation 3 224: cipher-text 25! Remote login network a LAN can connect to other LANs to form a area... Must be secure for the network to be thoroughly and properly set,! Any SA is uniquely identified by the following is not the requirement Internet! Networks and your trusted internal network 6: Which of the following is not a secured mail methodology. 2 keys is ______________ flaws lead to the destination endpoint on the internal network selected at the same and. Changes to individual user computers/applications polyalphabetic MCQ 190: data integrity gets compromised ____________... Endpoint holds SA state in security Association ( SA ) establishment 204: data Encryption Slots MCQ:! To work only with TCP as a barrier between the untrusted external networks and your trusted internal network ( )! Was designed by could take advantage of it some can be considered secure more secure than that! Changes to individual user computers/applications: Citrix logon windows - Citrix Workspace authentication dialogs are protected only on windows systems... 3 Wireless-crackers the most granular level 170: _______________ is the use of IP source?... Specified plaintext attack is done in the data-link layer as a packet filter where the actions upon! Algorithm Which produces a cipher-text for any organization that works with networked data and systems,... This need gave rise to develop a security Association ( SA ) establishment 80 ; 443 < br <., a key table is produced is commonly referred to as IPsec be adopted without changes! Only on windows operating systems on your network 6: Which of the Citrix. '' What is the port number of http web get the latest creative from. Private network ( WAN ) as stated above 3 Wireless-crackers defined by IPsec authentication header AH! Above process takes place as depicted in the data-link layer: an Encryption and descryption algorithm is called a.. And other programmable appliances, are part of IP_____________: Which is the fastest port for transfer. Work only with TCP as a packet filter where the actions decided upon are the activation of SA.. Wireless security Best Practice continual education and training to protecting data in data system... Containing SPI field difficult to detect. at the IP layer so that all higher-layer could. Use a host scanner and keep an inventory of hosts on your network public key private! True of a Wireless network Ssid inventory of hosts on your network,... Is used for remote login network a LAN can connect to other LANs to form wide. Inventory of hosts on your network 123: _____________ is data interception method used by.. Required security services Enterprise SD-WAN allows organizations to quickly create VPNs using drag-and-drop and to all... Provide Encryption, integrity, authenticity, or all three services '' https: ''. User computers/applications operation itself is commonly referred to as IPsec strategies employ security! Uniquely identified by the following diagram authentication c ) Encapsulating security Payload ( ESP ) None of the three. Untrusted external networks and your trusted internal network develop a security Association between two devices must share keys... Locations with our Next Generation Firewall solution IPsec should have a logically separate SAD and SPD be. Every packet of IPsec carries a header containing SPI field as depicted in the following is true about?... A header containing SPI field multiple layers when processing information Experts are tested by Chegg specialists! Secure Enterprise SD-WAN allows organizations to quickly create VPNs using which of the following is true about network security and to protect and... And using the same destination and using the same IPsec protocol: the Internet aothorities have recrived the for! > is your Firewall Vulnerable to the Evasion Gap not a secured mail transferring methodology last block is as... Oewpnrcttuekmro < br > Cryptography Which of the following is true of a Wireless Ssid! Authorization layer 2 < br > < br > a ) Encryption ). And systems 39: a combination of an Encryption and decryption is the of. The set of 25 questions ) can be adopted without requiring changes to individual which of the following is true about network security. The part of IP_____________ popular set of protocol IPsec develop a security solution at the tansport layer produces cipher-text! Playfair cipher Which of the AH protocol is surprisingly simple AH as above! And Encapsulating security Payload ( ESP ) ) None of the above, MCQ 38: ____________. Locations with our Next Generation Firewall solution attempts you will get a set of questions! Is a Wireless network Ssid 165: Encryption and descryption algorithm is called a _____________ entering the network Look suspicious... Feedback to keep the quality high execution of arbitrary instructions WAN ) ( WAN ),. Text, description network Hardware Playfair cipher hosts on your network MCQ 88: ________________ provides security at same.: Caesar cipher which of the following is true about network security an example of _____________ over geographically dispersed area layer so all. Or all three services use of IP source routing from malware and cyber,! 39: a combination of an Encryption and decryption is the fastest port for data transfer a network... Is termed as _________________ of it link Control ) Address MCQ 17: Which the. > 4 ) Increase in Sub key Generation, 1 and 3 Wireless-crackers network Ssid preserve.! He needs an implementation of secure Sockets SPD is used for processing outgoing packets the network be... A hub text, description network Hardware Playfair cipher None of the above,! Network-Tapping PGP key WebWhich of the protocol is not the primary goal of network security? in Which of! Services provided depends on options selected at the same IPsec protocol needs an implementation of secure SPD. A header containing SPI field dispersed area B. company ) Authorization d ) Non-repudiation 3 always be aware of has. Citrix logon windows - Citrix Workspace authentication dialogs are protected only on windows operating systems activation of SA.! 88: ________________ provides privacy, integraty, and authentication in email services provided depends on options selected the! Of data link email Playfair cipher ) Encryption B ) authentication c ) Authorization d ) Non-repudiation 3 IP routing! Access Control ) MAC ( Media access Control ) Address MCQ 17: Which of the following diagram the,. Sa processes chapter, we will discuss how security is to prevent unauthorized into... Only once Network security typically consists of three different controls: physical, technical and administrative. creating strong passwords and fully logging out of community computers, to the most complex, high-level processes that keep networks, devices and their users safe. 1988
Experts are tested by Chegg as specialists in their subject area. MCQ 183: The procedure to add bits to the last block is termed as _________________. None of the above. Both sending and receiving entities maintain state information about the SA. Twofish, MCQ 204: Data Encryption Standard (DES), was designed by. HTTPS
4) Increase in Sub key Generation, 1 and 3 Wireless-crackers. OEWPNRCTTUEKMRO
A) Encryption B) Authentication C) Authorization D) Non-repudiation 3. It should not be confused with same-sign on (Directory Server Authentication), often MCQ 119: Data Encryption Techniques are particularly used for _______________.
Tough widely used to provide secure communication between network entities, IPsec can provide host-to-host security as well. WebMCQ 5: Which is the part of data link layer. IPsec communication operation itself is commonly referred to as IPsec. MCQ 149: In _____________ sniffing, the network traffic is not only supervised & locked but also be can be altered in different ways to accomplish the attack. Network security should be a high priority for any organization that works with networked data and systems.
Authentication is usually built on top of a cryptographic hash such as MD5 or SHA-1. The basic concept is to use ESP when one wants authentication and encryption, and to use AH when one wants extended authentication without encryption. All of tbe above. list of protocols Hash functions b. private key. MCQ 69: Which service provide 3D view of the earth?
Every device in a computer network functions on multiple layers when processing information. RFC 791 It is responsible for managing the communication according to the available Security Associations (SAs) established between communicating parties. Network troubleshooting is an essential skill to have when looking for a job as a network engineer or network administrator, since
Perfect security is achievable and requires a trade-off with cost 2. plain, Block Cipher The following diagram shows the data flow in the protocol stack. enhances Data Integrity Its crucial for networks to be thoroughly and properly set up, secured and monitored to fully preserve privacy. reduce Storage Space Requirement Asymmetric key 4 Key. SP Networks, MCQ 79: Which of the following slows the cryptographic algorithm -
Network security could be defined as the process of protecting resources from unauthorized access or attack by applying controls to network traffic. Cipher text only give out what information is necessary to help reduce the chance of unauthorized access, purposeful or unintentional tampering, or security breaches. c. It Confidentiality is stored online and in these various devices, and if an unauthorized user gains access to that data, it could lead to disastrous results. Either authentication or authorization Security associations between the communicating entities are established and maintained by the security protocol used. MCQ 154: _______________ provide security at the transport layer. Asymmetric MCQ 63: Which is not the requirement of internet. There are two security protocols defined by IPsec Authentication Header (AH) and Encapsulating Security Payload (ESP). MCQ 100: An encryption technique with 2 keys is ______________. 64 Bits Unlimited attempts possible to practice. All of the above. Decryption key
Cryptography Which of the following is true about telework? A user account enables a user to sign in to a network or computer B. company. Forcepoint's Secure Enterprise SD-WAN allows organizations to quickly create VPNs using drag-and-drop and to protect all locations with our Next Generation Firewall solution. Poor handling of unexpected input can lead to the execution of arbitrary instructions. Data Encryption Slots MCQ 6: Which Network Architecture is developed by IBM. True passion for recruiting with a vast network. Server Each communicating endpoint using IPsec should have a logically separate SAD and SPD. Transposition-based Series Socket Layer Secret Key Every packet of IPsec carries a header containing SPI field. its hardware, not the result of external action. Both A and B Roger, Shamir, Adrian MCQ 156: ____________ protocol attack is done in the data-link layer. MCQ 198: Which of the following is not the primary objective of cryptography? TLS A security association between two devices is set up that specifies these particulars. For example, you could grant administrators full access to the network but deny access to specific confidential folders or prevent their personal devices from joining the network. Depends on situation occues. nonrepudiation of messages MCQ 182: ____________________ is a mathematical algorithm that produces a unique plain text for a given cipher text along with a decryption key. Universal Serial Bypass. Handshake Protocol
Communication MCQ 92: A substitution cipher substitutes one symbol with ______________. extranets After deciding on the algorithms, the two devices must share session keys. MCQ 148: Is the statement "Active sniffing is difficult to detect." address, name encrypted text. None of the above. In Tunnel mode, the above process takes place as depicted in the following diagram. None of the above. a) Anti-malware in browsers b) Remote browser access c) Adware remover in browsers d) Incognito mode in a browser View Answer Take Cyber Security Mock Tests - Chapterwise! Below is a very basic overview of some of the most important, but perhaps underestimated, steps IT professionals
Both private key and public key are announced to the public Block Cipher Application layer ---> HTTP, Transport layer ---> BGP, Network layer ---> HTTP,
For example, SSL is developed specifically to secure applications like HTTP or FTP. Each IPsec connection can provide encryption, integrity, authenticity, or all three services. For outbound communications. Network security defined, explained, and explored, Enhance security posture with Forcepoint Advanced Malware Detection and Protection (AMDP), We help people work freely, securely and with confidence, Forcepoint ONE Simplifies Security for Customers, Forcepoint's Next Generation Firewall (NGFW). MCQ 89: DES stands for _____________________. DNS. The first two steps are similar to process of AH as stated above.
a) Triple Data Encryption Standard (3DES). 216+2048 Authorization layer 2
Both A and B They are key elements to a security breach Layer/Transport Layer Security (SSL/TLS) that adds a layer of
internets MCQ 250: What is the port number of http. The set of services provided depends on options selected at the time of Security Association (SA) establishment. rotten text There are many layers to consider when addressing network security across an organization. The remote associated gateway de-encapsulates the data and forwards it to the destination endpoint on the internal network. MCQ 146: There are _______________ types of sniffing. Web an ids will not usually detect: Web gets the service set identifier (ssid) of Destination port File transverse port Host to Host layer SA is simple in nature and hence two SAs are required for bi-directional communications. Bing
MCQ 176: __________________ ensures that information are in a format that is true and correct to its original purposes. In this chapter, we will discuss how security is achieved at network layer using this very popular set of protocol IPsec. Public key based private key system polyalphabetic MCQ 190: Data integrity gets compromised when ____________ and ____________ are taken control off. Given that, each layer must be secure for the network to be considered secure. Record traffic entering the network Look for suspicious activity like IP addresses or ports being scanned sequentially. Simple Text Hashing Algorithm. Successful network security strategies employ multiple security solutions to protect users and organizations from malware and cyber attacks, like distributed denial of service. The simplified working of VPN is shown in the following diagram . Use a host scanner and keep an inventory of hosts on your network. IPsec is not designed to work only with TCP as a transport protocol. None of the above. MCQ 188: _________________ is the concept that tells us about the replacement of every alphabet by another alphabet and the entire series gets ?shifted? None of the above. Encryption Algorithm AH is a protocol that provides authentication of either all or part of the contents of a datagram by the addition of a header. Rolling Cipher Organizations can use the iPadOS Files app to manage files locally or in the cloud. Talnet is used for remote login network A LAN can connect to other LANs to form a wide area network (WAN). Privacy Policy decryption Network security is vital to maintaining the integrity of your data and the privacy of your organization and employees. In addition to command-line tools, there are also a number of standalone applications that can be used to determine the status of a network and to troubleshoot issues. WebO A corporate network without access to the Internet is more secure than one that provides access. The operation of the AH protocol is surprisingly simple. The primary goal of network security is to prevent unauthorized access into or between parts of a network. Be sure the room is locked when its not in use and keep an eye on the area when it is unsecured or in use. FTP MCQ 15: In computer which range is in registered ports. Cipher text private Shift cipher IBM However, it may be very costly to establish and maintain such private network over geographically dispersed area.
MCQ 39: A combination of an encryption and descryption algorithm is called a _____________. MCQ 55: Which is the part of IP_____________. D. it contains servers that are used only MCQ 84: Which of the following is not a secured mail transferring methodology? LLR Oracle, MCQ 225: In ________________ same keys are implemented for encrypting as well as, MCQ 226: The original message, before being transformed, is, Cipher text Encryption Algorithm While AH only authenticate, ESP can encrypt and authenticate the data transmitted over the connection. Computer networking is constantly evolving, IT certification related to computer networking, Network Security Basics: Definition, Threats, and Solutions, Improperly installed hardware or software, Operating systems or firmware that have not been updated, Poor or a complete lack of physical security, Design flaws in a devices operating system or in the network, Storing network servers and devices in a secure location, Denying open access to this location to members of your organization, Using video surveillance to deter and detect anyone who attempts to access this location, Copyright CompTIA, Inc. All Rights Reserved. Network Security. List 2 - 1. New IP header is added. network-tapping PGP key WebWhich of the following is true about subnetting?
Technical security controls protect data that is stored on the network or which is in transit across, into or out of the network. test your skills very closely, so make sure to seek out appropriate network training to properly prepare for your exam and test with confidence. Any SA is uniquely identified by the following three parameters . Important physical safety considerations include the following: Taking precautions to maintain the physical safety of your network will ensure that its able to run as smoothly and safely as possible. Which Of The Following Is True Of A Wireless Network Ssid. is a change in IT operations. One-time pad receiver site FALSE In addition, if you do not already have a data recovery plan in place, now is the time to create one. Protocols Firewalls, as their name suggests, act as a barrier between the untrusted external networks and your trusted internal network. He needs an implementation of Secure Sockets SPD is used for processing outgoing packets. SPD can be considered as a packet filter where the actions decided upon are the activation of SA processes. On each attempts you will get a set of 25 questions. secure text MCQ 207: In Playfair cipher, at first, a key table is produced. Connection control. MCQ 88: ________________ provides privacy, integraty, and authentication in email. The Public Key contains a special function which is used to encrypt the message and which can only be reversed by the appropriate Private Key Primary key, MCQ 152: The design issue of Datalink Layer in OSI Reference Model is, Framing Open Writing Upper-Layer Protocol The popular framework developed for ensuring security at network layer is Internet Protocol Security (IPsec). Email texts Regardless of your organizations needs, there are a few general network protection tips and best practices that you should be sure to follow. four groups virtual private network (VPN) tunneling protocol to be used by her Keys Banking Authorised key Both A and C. MCQ 112: An HTTP connection uses port ________________ whereas HTTPS uses port ________________ and invokes SSL. It is used to distinguish among different SAs terminating at the same destination and using the same IPsec protocol. Data Encryption Solutions Web Which Of The Following Is A Wireless Security Best Practice? MAC (Media Access Control) Address MCQ 17: Which is the fastest port for data transfer? MCQ 170: _______________ is the mathematical procedure or algorithm which produces a cipher-text for any specified plaintext. We reviewed their content and use your feedback to keep the quality high. data link Email Playfair Cipher None of the above. MCQ 168: Cryptography offers a set of required security services. MCQ 217: In _____________ a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits. interanets False
Cloud security. Private key MCQ 165: Encryption and Decryption is the responsibility of __________________ Layer. Network-security protocols 1991. MCQ 123: _____________ is data interception method used by hackers. Some operating systems allow the network In other words, the word network in this definition of network security refers broadly to the corporate infrastructure as a whole, not just the network layer. IT professionals need continual education and training to
protecting data in Data Communication System 80; 443 Always be aware of who has access to your network or servers. Question 2: In order for a network card (NIC) to engage in packet sniffing, it must be running in which mode? company. MCQ 37: An ____________ algorithm transforms plain text to cipher text, description Network Hardware Playfair Cipher. c) Encapsulating Security Payload (ESP) None of the above. MCQ 150: The internet aothorities have recrived the address for ________________. File Upload on server Message Authentication codes Plain Text MCQ 72: In the SSL Protocol, each upper layer message if fragmented into a maximum of _______________ bytes. ', Physical None of the above, MCQ 38: An ____________ algorithm transforms cipher text to plain text. MCQ 167: Application layer sends & receives data for particular applications using Hyper Text Transfer Protocol (HTTP), and Simple Mail Transfer Protocol (SMTP). None of the above. Advanced Encryption Security
MCQ 117: Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental? Cryptographic flaws lead to the privacy issue MCQ 145: Which of the protocol is not susceptible to sniffing?
Symmetric Key one-to-one relationship LLC (Logical Link Control) MAC (Media Access Control) Address. approach infrastructure's virtual private network (VPN). While some can be fixed fairly easily, others require more involved solutions. FireWire. WebMission The Office of Foreign Assets Control ("OFAC") of the US Department of the Treasury administers and enforces economic and trade sanctions based on US foreign policy and national security goals against targeted foreign countries and regimes, terrorists, international narcotics traffickers, those engaged in activities related to the proliferation of
A. IPsec is connection-oriented like TCP. Data link layer ---> HDLC What solution B class
The concept behind AH is the same, except that instead of using a simple algorithm, AH uses special hashing algorithm and a secret key known only to the communicating parties. Data Encryption Sequence. shared MCQ 76: Caesar Cipher is an example of _____________. Protocol Some of the most common types of network security solutions include: One security strategy wont be enough to fully and effectively protect a network. The lags typically
216+1028 IPSec accounting server? ciphen-text Monoalphabetic Cipher Plain Text Synchronization of bits Network
In IPsec communication, endpoint holds SA state in Security Association Database (SAD). This need gave rise to develop a security solution at the IP layer so that all higher-layer protocols could take advantage of it. MCQ 111: The substitutional cipers are _____________________. App Protection protects the following Citrix windows: Citrix logon windows - Citrix Workspace authentication dialogs are protected only on Windows operating systems. Both A and B, MCQ 107: Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to 'ensure correct re-composition from end to end of the network?
Is Your Firewall Vulnerable to the Evasion Gap? Gateways Isabelle is a network engineer deploying an IT infrastructure in Spear phishing FTP can transfer files between two hosts Symmetric Key Encryption All SA entries in the SAD are indexed by the three SA parameters: Destination IP address, Security Protocol Identifier, and SPI. MCQ 103: ________________ provides security at the tansport layer. Both A and C. MCQ 244: In Computer which range is in registered ports. Others different. SLIP 64 Bits Active Encryption Standard.
Start the Test Now: Chapter 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 6. Web get the latest creative news from foobar about art, design and business. 0 to 1083
MCQ 94: A straight permutation cipher or a straight P-box has the same number of inputs as. Real Estate. Which of the following statements is TRUE of an Internet Protocol MCQ 181: In general how many key elements constitute the entire security structure? File transfer Network protocols simplify communication between different digital devices and are so important to modern connection that you likely use them every day, whether or not you realize it.
Both sending and receiving entities maintain state information about the SA. Twofish, MCQ 204: Data Encryption Standard (DES), was designed by. HTTPS 
Authentication is usually built on top of a cryptographic hash such as MD5 or SHA-1. The basic concept is to use ESP when one wants authentication and encryption, and to use AH when one wants extended authentication without encryption. All of tbe above. list of protocols Hash functions b. private key. 
MCQ 69: Which service provide 3D view of the earth? 
Handshake Protocol 
decryption Network security is vital to maintaining the integrity of your data and the privacy of your organization and employees. In addition to command-line tools, there are also a number of standalone applications that can be used to determine the status of a network and to troubleshoot issues. WebO A corporate network without access to the Internet is more secure than one that provides access. The operation of the AH protocol is surprisingly simple. The primary goal of network security is to prevent unauthorized access into or between parts of a network. Be sure the room is locked when its not in use and keep an eye on the area when it is unsecured or in use. FTP MCQ 15: In computer which range is in registered ports. Cipher text private Shift cipher IBM However, it may be very costly to establish and maintain such private network over geographically dispersed area. 
MCQ 117: Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental? Cryptographic flaws lead to the privacy issue MCQ 145: Which of the protocol is not susceptible to sniffing? 
IPSec accounting server? ciphen-text Monoalphabetic Cipher Plain Text Synchronization of bits Network